. >> reporter: bob cavano has two children that golakeshore school. >> it's unbelievable. i mean, there's no -- you know, i try to not have avoidance be my main defense. but in this case, that's part of what i need to keep going. >> reporter: he and his wife made sure their kids knew the shooting in connecticut was an isolated incident and didn't go into much detail. coping with last week's devastating tragedy has parents and teachers across the country reaching out for help. >> all the parents were very scared, you know, wherever you are. there's a lot of kids involved. >> reporter: san francisco unified school district along with others in the bay area say we are all grieving together. >> as educators, our hearts are broken and we are most definitely thinking of our colleagues in newtown, connecticut. >> reporter: the district will offer counselors to students, their families and educators dealing with trauma and stress. >> across the city you're going to see and you're going to experience and our schools are going to experience a coming together looking out for each oth